Home / 2,804.38-4,198.37-2,215.26

Finding the Fourth Proportional to 2,804.38, 4,198.37 and 2,215.26

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Solution

The fourth proportional to 2,804.38, 4,198.37 and 2,215.26 is: 3,316.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,804.38 : 4,198.37 = 2,215.26 : x
  2. Step 2: Convert to fraction form
    2,804.38/4,198.37 = 2,215.26/x
  3. Step 3: Cross multiply
    2,804.38x = 4,198.37 × 2,215.26
  4. Step 4: Simplify right side
    2,804.38x = 9,300,470.05
  5. Step 5: Solve for x
    x = 9,300,470.05/2,804.38
  6. Step 6: Final answer
    x = 3,316.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.